From 44784d664cd4af5aa6d491f043b9ce62e25d02df Mon Sep 17 00:00:00 2001
From: jean <zhang369081@qq.com>
Date: Tue, 4 Aug 2026 13:01:50 +0800
Subject: [PATCH] feat(desktop): add DDL shortcut and grid row delete action

---
 apps/desktop/src/components/grid/DataGrid.vue | 31 ++++++++++++++++++-
 .../src/components/grid/DataGridToolbar.vue   | 13 +++++++-
 .../src/components/sidebar/ConnectionTree.vue | 18 ++++++++++-
 apps/desktop/src/i18n/locales/en.ts           |  1 +
 apps/desktop/src/i18n/locales/es.ts           |  1 +
 apps/desktop/src/i18n/locales/it.ts           |  1 +
 apps/desktop/src/i18n/locales/ja.ts           |  1 +
 apps/desktop/src/i18n/locales/ko.ts           |  1 +
 apps/desktop/src/i18n/locales/pt-BR.ts        |  1 +
 apps/desktop/src/i18n/locales/zh-CN.ts        |  1 +
 apps/desktop/src/i18n/locales/zh-TW.ts        |  1 +
 .../dataGrid/dataGridToolbar.spec.ts          | 12 +++++++
 .../dataGrid/dataGridToolbarDeleteRow.spec.ts | 24 ++++++++++++++
 .../__tests__/editor/shortcutRegistry.spec.ts |  2 +-
 .../sidebar/sidebarTreeDdlShortcut.spec.ts    | 25 +++++++++++++++
 .../src/lib/dataGrid/dataGridToolbar.ts       |  8 +++++
 .../src/lib/editor/keyboardShortcuts.ts       |  4 +++
 .../src/lib/editor/shortcutRegistry.ts        |  7 +++++
 .../src/lib/sidebar/sidebarTreeDdlShortcut.ts |  9 ++++++
 19 files changed, 157 insertions(+), 4 deletions(-)
 create mode 100644 apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbarDeleteRow.spec.ts
 create mode 100644 apps/desktop/src/lib/__tests__/sidebar/sidebarTreeDdlShortcut.spec.ts
 create mode 100644 apps/desktop/src/lib/sidebar/sidebarTreeDdlShortcut.ts

diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index f772efab50..269e38c4bd 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -215,7 +215,16 @@ import { useQueryStore } from "@/stores/queryStore";
 import { useSettingsStore } from "@/stores/settingsStore";
 import { simpleDataGridOrderByMatchesSort, simpleDataGridOrderByReferencesMissingColumn, type DataGridSortDirection, type DataGridSortMode } from "@/lib/dataGrid/dataGridSort";
 import { buildOrderedGridRows, type GridInsertRowPosition, type GridNewRowPlacement } from "@/lib/dataGrid/gridNewRowPlacement";
-import { DATA_GRID_CONDITION_TOOLBAR_MIN_WIDTH, isDataGridToolbarCompact, type DataGridReloadIntent, type DataGridToolbarActionCapability, type DataGridToolbarAddRowCapability, type DataGridToolbarAutoRefreshCapability, type DataGridToolbarSaveCapability } from "@/lib/dataGrid/dataGridToolbar";
+import {
+  DATA_GRID_CONDITION_TOOLBAR_MIN_WIDTH,
+  dataGridDeleteRowToolbarState,
+  isDataGridToolbarCompact,
+  type DataGridReloadIntent,
+  type DataGridToolbarActionCapability,
+  type DataGridToolbarAddRowCapability,
+  type DataGridToolbarAutoRefreshCapability,
+  type DataGridToolbarSaveCapability,
+} from "@/lib/dataGrid/dataGridToolbar";
 import { getTableMetadataCapabilities } from "@/lib/table/tableMetadataCapabilities";
 import { getTableStructureCapabilities } from "@/lib/table/tableStructureCapabilities";
 import { filterObjectBrowserTableColumns } from "@/lib/table/objectBrowserTableInfo";
@@ -3416,6 +3425,25 @@ const addRowToolbarCapability = computed<DataGridToolbarAddRowCapability>(() =>
   onTrigger: addRow,
   onSelect: handleAddRowMenuSelect,
 }));
+const deleteRowToolbarTargetCount = computed(() => deletableRowIds(selectedOrCurrentRowIds()).length);
+const deleteRowToolbarState = computed(() =>
+  dataGridDeleteRowToolbarState({
+    editable: !!props.editable,
+    canDeleteRows: canDeleteRows.value,
+    canDeleteExistingRows: canDeleteExistingRows.value,
+    deletableTargetCount: deleteRowToolbarTargetCount.value,
+    isSaving: isSaving.value,
+  }),
+);
+const deleteRowToolbarCapability = computed<DataGridToolbarActionCapability>(() => ({
+  label: deleteRowToolbarTargetCount.value > 1 ? t("grid.deleteRows", { count: deleteRowToolbarTargetCount.value }) : t("grid.deleteRow"),
+  tooltip: `${t("grid.deleteRow")} (${formatShortcut(settingsStore.editorSettings.shortcuts.deleteCurrentRow)})`,
+  visible: deleteRowToolbarState.value.visible,
+  disabled: deleteRowToolbarState.value.disabled,
+  onTrigger: () => {
+    deleteCurrentRow();
+  },
+}));
 const previewToolbarCapability = computed<DataGridToolbarActionCapability>(() => ({
   label: t(previewLabelKey.value),
   visible: saveToolbarState.value.showActions && pendingChangeCount.value > 0,
@@ -8479,6 +8507,7 @@ const gridContextMenuItems = computed<ContextMenuItem[]>(() => {
             :refresh="refreshToolbarCapability"
             :auto-refresh="autoRefreshToolbarCapability"
             :add-row="addRowToolbarCapability"
+            :delete-row="deleteRowToolbarCapability"
             :preview="previewToolbarCapability"
             :save="saveToolbarCapability"
             :rollback="rollbackToolbarCapability"
diff --git a/apps/desktop/src/components/grid/DataGridToolbar.vue b/apps/desktop/src/components/grid/DataGridToolbar.vue
index ae9f16ffcb..d173fafeee 100644
--- a/apps/desktop/src/components/grid/DataGridToolbar.vue
+++ b/apps/desktop/src/components/grid/DataGridToolbar.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed } from "vue";
-import { Check, ChevronDown, Copy, Eye, Loader2, Plus, RefreshCcw, RotateCcw, Rows3, Save, TableProperties, Timer, Upload } from "@lucide/vue";
+import { Check, ChevronDown, Copy, Eye, Loader2, Plus, RefreshCcw, RotateCcw, Rows3, Save, TableProperties, Timer, Trash2, Upload } from "@lucide/vue";
 import { Button } from "@/components/ui/button";
 import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuSeparator, DropdownMenuTrigger } from "@/components/ui/dropdown-menu";
 import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip";
@@ -28,6 +28,7 @@ const props = defineProps<{
   refresh: DataGridToolbarActionCapability;
   autoRefresh?: DataGridToolbarAutoRefreshCapability;
   addRow?: DataGridToolbarAddRowCapability;
+  deleteRow?: DataGridToolbarActionCapability;
   copyData?: DataGridToolbarCopyCapability;
   exportData?: DataGridToolbarExportCapability;
   transpose?: DataGridToolbarActionCapability;
@@ -148,6 +149,16 @@ function actionLabelClass() {
       </DropdownMenu>
     </div>
 
+    <Tooltip v-if="isDataGridToolbarCapabilityVisible(deleteRow)">
+      <TooltipTrigger as-child>
+        <Button variant="ghost" size="sm" :class="actionButtonClass" :disabled="isDataGridToolbarCapabilityDisabled(deleteRow)" @click="void triggerDataGridToolbarAction(deleteRow)">
+          <Trash2 class="data-grid-topbar-action-icon h-3 w-3" />
+          <span class="data-grid-topbar-action-label" :class="actionLabelClass()">{{ deleteRow?.label }}</span>
+        </Button>
+      </TooltipTrigger>
+      <TooltipContent side="bottom">{{ deleteRow?.tooltip ?? deleteRow?.label }}</TooltipContent>
+    </Tooltip>
+
     <DropdownMenu v-if="isDataGridToolbarCapabilityVisible(exportData)">
       <Tooltip>
         <TooltipTrigger as-child>
diff --git a/apps/desktop/src/components/sidebar/ConnectionTree.vue b/apps/desktop/src/components/sidebar/ConnectionTree.vue
index acd49f7cce..9a303e13b1 100644
--- a/apps/desktop/src/components/sidebar/ConnectionTree.vue
+++ b/apps/desktop/src/components/sidebar/ConnectionTree.vue
@@ -10,7 +10,8 @@ import type { ObjectSourceKind, TableInfo, TableNameFilter, TreeNode, TreeNodeTy
 import { filterSidebarSearchRootsByConnectionState, filterSidebarTree, filterSidebarTreeToConnectedConnections, resolveSidebarFilterGuards, reuseLiveSidebarTreeNodes } from "@/lib/sidebar/sidebarSearchTree";
 import { matchSidebarLabel } from "@/lib/sidebar/sidebarSearch";
 import { buildTableTreeNodes } from "@/lib/table/tableTree";
-import { isCancelSearchShortcut, isCopySidebarSelectionShortcut, isEditSidebarConnectionShortcut, isPasteSidebarSelectionShortcut } from "@/lib/editor/keyboardShortcuts";
+import { isCancelSearchShortcut, isCopySidebarSelectionShortcut, isEditSidebarConnectionShortcut, isPasteSidebarSelectionShortcut, isViewTableDdlShortcut } from "@/lib/editor/keyboardShortcuts";
+import { sidebarNodeSupportsDdlView } from "@/lib/sidebar/sidebarTreeDdlShortcut";
 import { copyNameForTreeNode, objectSourceKindForTreeNode } from "@/lib/sidebar/treeNodeClick";
 import { copyToClipboard } from "@/lib/common/clipboard";
 import { connectionPasteTargetGroupId, copySelectedConnectionsToClipboards, selectedConnectionEditTarget } from "@/lib/sidebar/sidebarConnectionSelection";
@@ -1264,6 +1265,14 @@ function openSidebarDdl(node: TreeNode) {
   sidebarDdlOpen.value = true;
 }
 
+function openSidebarDdlForSelection(): boolean {
+  const selectedNodeId = store.selectedTreeNodeId;
+  const node = selectedNodeId ? flatTreeIndex.value.nodeById.get(selectedNodeId) : null;
+  if (!node || !sidebarNodeSupportsDdlView(node)) return false;
+  openSidebarDdl(node);
+  return true;
+}
+
 function openSidebarObjectSource(node: TreeNode, initialEditing: boolean) {
   if (!node.connectionId || !node.database || !objectSourceKindForTreeNode(node.type)) return;
   const target = createSidebarActionTarget(node);
@@ -1530,6 +1539,13 @@ function onWindowKeydown(event: KeyboardEvent) {
       }
       return;
     }
+    if (sidebarShortcutTargetAllowsAppShortcut(event.target) && isViewTableDdlShortcut(event, settingsStore.editorSettings.shortcuts)) {
+      if (openSidebarDdlForSelection()) {
+        event.preventDefault();
+        event.stopPropagation();
+      }
+      return;
+    }
   }
 
   if (!pointerInsideTree.value || isEditableSidebarTypeSearchTarget(event.target) || isEditableSidebarTypeSearchTarget(document.activeElement)) return;
diff --git a/apps/desktop/src/i18n/locales/en.ts b/apps/desktop/src/i18n/locales/en.ts
index bf1f1a4ae2..8ce77c8595 100644
--- a/apps/desktop/src/i18n/locales/en.ts
+++ b/apps/desktop/src/i18n/locales/en.ts
@@ -5196,6 +5196,7 @@ export default {
     shortcutPasteSidebarSelection: "Paste into sidebar",
     shortcutEditSidebarConnection: "Edit sidebar connection",
     shortcutOpenDataInNewTab: "Open data in new tab (mouse click)",
+    shortcutViewTableDdl: "View table DDL",
     shortcutSendSelectionToAi: "Send selection to AI",
     shortcutToggleFold: "Toggle fold",
     shortcutScopeGlobal: "Global",
diff --git a/apps/desktop/src/i18n/locales/es.ts b/apps/desktop/src/i18n/locales/es.ts
index 346f55a79f..4186bd9737 100644
--- a/apps/desktop/src/i18n/locales/es.ts
+++ b/apps/desktop/src/i18n/locales/es.ts
@@ -4933,6 +4933,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "Pegar en la barra lateral",
     shortcutEditSidebarConnection: "Editar conexión de la barra lateral",
     shortcutOpenDataInNewTab: "Abrir datos en una pestaña nueva (clic del ratón)",
+    shortcutViewTableDdl: "Ver DDL de la tabla",
     shortcutSendSelectionToAi: "Enviar selección a IA",
     shortcutToggleFold: "Contraer/expandir código",
     shortcutScopeGlobal: "Global",
diff --git a/apps/desktop/src/i18n/locales/it.ts b/apps/desktop/src/i18n/locales/it.ts
index ed62a26f2d..f250c27665 100644
--- a/apps/desktop/src/i18n/locales/it.ts
+++ b/apps/desktop/src/i18n/locales/it.ts
@@ -4933,6 +4933,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "Incolla nella barra laterale",
     shortcutEditSidebarConnection: "Modifica connessione barra laterale",
     shortcutOpenDataInNewTab: "Apri dati in una nuova scheda (clic del mouse)",
+    shortcutViewTableDdl: "Visualizza DDL tabella",
     shortcutSendSelectionToAi: "Invia selezione ad AI",
     shortcutToggleFold: "Comprimi/espandi codice",
     shortcutScopeGlobal: "Globale",
diff --git a/apps/desktop/src/i18n/locales/ja.ts b/apps/desktop/src/i18n/locales/ja.ts
index 0ed2bc54b6..d094cb271e 100644
--- a/apps/desktop/src/i18n/locales/ja.ts
+++ b/apps/desktop/src/i18n/locales/ja.ts
@@ -4955,6 +4955,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "サイドバーに貼り付け",
     shortcutEditSidebarConnection: "サイドバー接続を編集",
     shortcutOpenDataInNewTab: "新しいデータタブで開く（マウスクリック）",
+    shortcutViewTableDdl: "テーブルDDLを表示",
     shortcutSendSelectionToAi: "選択範囲をAIに送信",
     shortcutToggleFold: "折りたたみの切り替え",
     shortcutScopeGlobal: "グローバル",
diff --git a/apps/desktop/src/i18n/locales/ko.ts b/apps/desktop/src/i18n/locales/ko.ts
index 32f461dac2..f35cb9dd3b 100644
--- a/apps/desktop/src/i18n/locales/ko.ts
+++ b/apps/desktop/src/i18n/locales/ko.ts
@@ -4791,6 +4791,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "사이드바에 붙여넣기",
     shortcutEditSidebarConnection: "사이드바 연결 편집",
     shortcutOpenDataInNewTab: "새 탭에서 데이터 열기 (마우스 클릭)",
+    shortcutViewTableDdl: "테이블 DDL 보기",
     shortcutSendSelectionToAi: "선택 영역을 AI로 보내기",
     shortcutScopeGlobal: "전역",
     shortcutScopeEditor: "SQL 편집기",
diff --git a/apps/desktop/src/i18n/locales/pt-BR.ts b/apps/desktop/src/i18n/locales/pt-BR.ts
index b81d0175c3..f62c0fd902 100644
--- a/apps/desktop/src/i18n/locales/pt-BR.ts
+++ b/apps/desktop/src/i18n/locales/pt-BR.ts
@@ -4935,6 +4935,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "Colar na barra lateral",
     shortcutEditSidebarConnection: "Editar conexão da barra lateral",
     shortcutOpenDataInNewTab: "Abrir dados em nova aba (clique do mouse)",
+    shortcutViewTableDdl: "Ver DDL da tabela",
     shortcutSendSelectionToAi: "Enviar seleção para IA",
     shortcutToggleFold: "Recolher/expandir código",
     shortcutScopeGlobal: "Global",
diff --git a/apps/desktop/src/i18n/locales/zh-CN.ts b/apps/desktop/src/i18n/locales/zh-CN.ts
index 5e64c740c9..565a9756cd 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.ts
+++ b/apps/desktop/src/i18n/locales/zh-CN.ts
@@ -5198,6 +5198,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "粘贴到侧边栏",
     shortcutEditSidebarConnection: "编辑侧边栏连接",
     shortcutOpenDataInNewTab: "在新数据标签页中打开（鼠标点击）",
+    shortcutViewTableDdl: "查看表 DDL",
     shortcutSendSelectionToAi: "发送选中代码到 AI",
     shortcutToggleFold: "切换折叠",
     shortcutScopeGlobal: "全局",
diff --git a/apps/desktop/src/i18n/locales/zh-TW.ts b/apps/desktop/src/i18n/locales/zh-TW.ts
index 4b9ead20db..cb789cbc7c 100644
--- a/apps/desktop/src/i18n/locales/zh-TW.ts
+++ b/apps/desktop/src/i18n/locales/zh-TW.ts
@@ -4385,6 +4385,7 @@ export default withEnglishFallback({
     shortcutPasteSidebarSelection: "貼到側邊欄",
     shortcutEditSidebarConnection: "編輯側邊欄連線",
     shortcutOpenDataInNewTab: "在新資料分頁中開啟（滑鼠點擊）",
+    shortcutViewTableDdl: "檢視資料表 DDL",
     shortcutSendSelectionToAi: "傳送選取程式碼至 AI",
     shortcutToggleFold: "切換折疊",
     shortcutScopeGlobal: "全域",
diff --git a/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbar.spec.ts b/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbar.spec.ts
index 2d85b81948..13d531a887 100644
--- a/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbar.spec.ts
+++ b/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbar.spec.ts
@@ -1,6 +1,7 @@
 import { describe, expect, it, vi } from "vitest";
 import {
   DATA_GRID_CONDITION_TOOLBAR_MIN_WIDTH,
+  dataGridDeleteRowToolbarState,
   dataGridToolbarCompactBreakpoint,
   dataGridToolbarIntervalOptions,
   isDataGridToolbarCompact,
@@ -32,6 +33,17 @@ function autoRefreshCapability(overrides: Partial<DataGridToolbarAutoRefreshCapa
 }
 
 describe("data grid toolbar capabilities", () => {
+  it("shows delete only for editable grids with a supported deletion path", () => {
+    expect(dataGridDeleteRowToolbarState({ editable: false, canDeleteRows: true, canDeleteExistingRows: true, deletableTargetCount: 1, isSaving: false })).toEqual({ visible: false, disabled: false });
+    expect(dataGridDeleteRowToolbarState({ editable: true, canDeleteRows: true, canDeleteExistingRows: true, deletableTargetCount: 0, isSaving: false })).toEqual({ visible: true, disabled: true });
+    expect(dataGridDeleteRowToolbarState({ editable: true, canDeleteRows: true, canDeleteExistingRows: false, deletableTargetCount: 0, isSaving: false })).toEqual({ visible: false, disabled: true });
+  });
+
+  it("keeps unsaved deletable rows available when existing-row deletion is unsupported", () => {
+    expect(dataGridDeleteRowToolbarState({ editable: true, canDeleteRows: true, canDeleteExistingRows: false, deletableTargetCount: 1, isSaving: false })).toEqual({ visible: true, disabled: false });
+    expect(dataGridDeleteRowToolbarState({ editable: true, canDeleteRows: true, canDeleteExistingRows: true, deletableTargetCount: 2, isSaving: true })).toEqual({ visible: true, disabled: true });
+  });
+
   it("uses a viewport-relative compact breakpoint within stable bounds", () => {
     expect(dataGridToolbarCompactBreakpoint(1920)).toBe(1050);
     expect(dataGridToolbarCompactBreakpoint(1280)).toBe(960);
diff --git a/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbarDeleteRow.spec.ts b/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbarDeleteRow.spec.ts
new file mode 100644
index 0000000000..834d0ebf4d
--- /dev/null
+++ b/apps/desktop/src/lib/__tests__/dataGrid/dataGridToolbarDeleteRow.spec.ts
@@ -0,0 +1,24 @@
+import { describe, expect, it } from "vitest";
+import { readFileSync } from "node:fs";
+
+const dataGridToolbarSource = readFileSync(new URL("../../../components/grid/DataGridToolbar.vue", import.meta.url), "utf8");
+const dataGridSource = readFileSync(new URL("../../../components/grid/DataGrid.vue", import.meta.url), "utf8");
+
+describe("data grid toolbar delete row", () => {
+  it("declares and renders the delete-row action button", () => {
+    expect(dataGridToolbarSource).toMatch(/deleteRow\?: DataGridToolbarActionCapability/);
+    expect(dataGridToolbarSource).toMatch(/isDataGridToolbarCapabilityVisible\(deleteRow\)/);
+    expect(dataGridToolbarSource).toMatch(/triggerDataGridToolbarAction\(deleteRow\)/);
+  });
+
+  it("wires the delete-row capability into the toolbar", () => {
+    expect(dataGridSource).toMatch(/:delete-row="deleteRowToolbarCapability"/);
+  });
+
+  it("keeps the delete-row capability tied to row deletion state", () => {
+    expect(dataGridSource).toMatch(/deleteRowToolbarTargetCount = computed\(\(\) => deletableRowIds\(selectedOrCurrentRowIds\(\)\)\.length\)/);
+    expect(dataGridSource).toMatch(/visible: deleteRowToolbarState\.value\.visible/);
+    expect(dataGridSource).toMatch(/disabled: deleteRowToolbarState\.value\.disabled/);
+    expect(dataGridSource).toMatch(/onTrigger: \(\) => \{\s*deleteCurrentRow\(\);/);
+  });
+});
diff --git a/apps/desktop/src/lib/__tests__/editor/shortcutRegistry.spec.ts b/apps/desktop/src/lib/__tests__/editor/shortcutRegistry.spec.ts
index e7cf72f6be..d04f3c40a8 100644
--- a/apps/desktop/src/lib/__tests__/editor/shortcutRegistry.spec.ts
+++ b/apps/desktop/src/lib/__tests__/editor/shortcutRegistry.spec.ts
@@ -21,7 +21,7 @@ describe("shortcutRegistry editor actions", () => {
     "exPasteSqlInCondition",
     "toggleFold",
   ];
-  const sidebarShortcutActionIds: ShortcutActionId[] = ["copySidebarSelection", "pasteSidebarSelection", "editSidebarConnection"];
+  const sidebarShortcutActionIds: ShortcutActionId[] = ["copySidebarSelection", "pasteSidebarSelection", "editSidebarConnection", "viewTableDdl"];
 
   it("registers the new-data-tab mouse modifier as a configurable sidebar shortcut", () => {
     const definition = SHORTCUT_DEFINITIONS.find((item) => item.id === "openDataInNewTab");
diff --git a/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeDdlShortcut.spec.ts b/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeDdlShortcut.spec.ts
new file mode 100644
index 0000000000..774c787fd4
--- /dev/null
+++ b/apps/desktop/src/lib/__tests__/sidebar/sidebarTreeDdlShortcut.spec.ts
@@ -0,0 +1,25 @@
+import { describe, expect, it } from "vitest";
+import type { TreeNode } from "@/types/database";
+import { sidebarNodeSupportsDdlView } from "@/lib/sidebar/sidebarTreeDdlShortcut";
+
+function node(type: TreeNode["type"]): TreeNode {
+  return { id: "n", label: "n", type, connectionId: "c", database: "db" };
+}
+
+describe("sidebar tree DDL shortcut", () => {
+  it("supports table, view and materialized view nodes", () => {
+    expect(sidebarNodeSupportsDdlView(node("table"))).toBe(true);
+    expect(sidebarNodeSupportsDdlView(node("view"))).toBe(true);
+    expect(sidebarNodeSupportsDdlView(node("materialized_view"))).toBe(true);
+  });
+
+  it("rejects nodes without a DDL view", () => {
+    expect(sidebarNodeSupportsDdlView(node("connection"))).toBe(false);
+    expect(sidebarNodeSupportsDdlView(node("database"))).toBe(false);
+    expect(sidebarNodeSupportsDdlView(node("schema"))).toBe(false);
+    expect(sidebarNodeSupportsDdlView(node("column"))).toBe(false);
+    expect(sidebarNodeSupportsDdlView(node("index"))).toBe(false);
+    expect(sidebarNodeSupportsDdlView(node("procedure"))).toBe(false);
+    expect(sidebarNodeSupportsDdlView(node("group"))).toBe(false);
+  });
+});
diff --git a/apps/desktop/src/lib/dataGrid/dataGridToolbar.ts b/apps/desktop/src/lib/dataGrid/dataGridToolbar.ts
index 6b72bd3fd2..88fb9a1067 100644
--- a/apps/desktop/src/lib/dataGrid/dataGridToolbar.ts
+++ b/apps/desktop/src/lib/dataGrid/dataGridToolbar.ts
@@ -25,6 +25,14 @@ export interface DataGridToolbarActionCapability {
   onTrigger: () => void | Promise<void>;
 }
 
+export function dataGridDeleteRowToolbarState(options: { editable: boolean; canDeleteRows: boolean; canDeleteExistingRows: boolean; deletableTargetCount: number; isSaving: boolean }): { visible: boolean; disabled: boolean } {
+  const deletionAvailable = options.editable && options.canDeleteRows;
+  return {
+    visible: deletionAvailable && (options.canDeleteExistingRows || options.deletableTargetCount > 0),
+    disabled: options.isSaving || options.deletableTargetCount === 0,
+  };
+}
+
 export interface DataGridToolbarSaveCapability extends DataGridToolbarActionCapability {
   pendingCount: number;
   shortcutLabel?: string;
diff --git a/apps/desktop/src/lib/editor/keyboardShortcuts.ts b/apps/desktop/src/lib/editor/keyboardShortcuts.ts
index eaa5eb09c3..89f8311e74 100644
--- a/apps/desktop/src/lib/editor/keyboardShortcuts.ts
+++ b/apps/desktop/src/lib/editor/keyboardShortcuts.ts
@@ -223,6 +223,10 @@ export function isEditSidebarConnectionShortcut(event: ShortcutLikeEvent, shortc
   return matchesShortcut(event, actionShortcut("editSidebarConnection", shortcuts));
 }
 
+export function isViewTableDdlShortcut(event: ShortcutLikeEvent, shortcuts?: Partial<ShortcutSettings>): boolean {
+  return matchesShortcut(event, actionShortcut("viewTableDdl", shortcuts));
+}
+
 export function isQuickOpenShortcut(event: ShortcutLikeEvent, shortcuts?: Partial<ShortcutSettings>): boolean {
   return matchesShortcut(event, actionShortcut("quickOpen", shortcuts));
 }
diff --git a/apps/desktop/src/lib/editor/shortcutRegistry.ts b/apps/desktop/src/lib/editor/shortcutRegistry.ts
index b12708d183..24b8327997 100644
--- a/apps/desktop/src/lib/editor/shortcutRegistry.ts
+++ b/apps/desktop/src/lib/editor/shortcutRegistry.ts
@@ -55,6 +55,7 @@ export type ShortcutActionId =
   | "pasteSidebarSelection"
   | "editSidebarConnection"
   | "openDataInNewTab"
+  | "viewTableDdl"
   | "sendSelectionToAi";
 
 export type ShortcutScope = "global" | "editor" | "grid" | "search" | "sidebar";
@@ -409,6 +410,12 @@ export const SHORTCUT_DEFINITIONS: ShortcutDefinition[] = [
     defaultShortcut: "Alt",
     inputKind: "modifier-only",
   },
+  {
+    id: "viewTableDdl",
+    labelKey: "settings.shortcutViewTableDdl",
+    scope: "sidebar",
+    defaultShortcut: "Shift+Mod+D",
+  },
   {
     id: "sendSelectionToAi",
     labelKey: "settings.shortcutSendSelectionToAi",
diff --git a/apps/desktop/src/lib/sidebar/sidebarTreeDdlShortcut.ts b/apps/desktop/src/lib/sidebar/sidebarTreeDdlShortcut.ts
new file mode 100644
index 0000000000..34ecd11824
--- /dev/null
+++ b/apps/desktop/src/lib/sidebar/sidebarTreeDdlShortcut.ts
@@ -0,0 +1,9 @@
+import type { TreeNode } from "@/types/database";
+
+/**
+ * 侧边栏中支持“查看 DDL”的节点类型，与右键菜单的
+ * “查看 DDL”菜单项可见条件保持一致。
+ */
+export function sidebarNodeSupportsDdlView(node: TreeNode): boolean {
+  return node.type === "table" || node.type === "view" || node.type === "materialized_view";
+}